package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutionException;

@Slf4j
@Controller
public class WebController {

    @Autowired
    private OrderService orderService;

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo orderSubmitVo, Model model, RedirectAttributes redirectAttributes){
        // Map<String,String> message = new HashMap<>();

        try{
            SubmitOrderResponseVo responseVo = orderService.submitOrder(orderSubmitVo);
            if(responseVo.getCode()==0){
                // 下单成功,跳转支付页面
                model.addAttribute("submitOrderResp",responseVo);
                return "pay";
            }else{
                // 下单失败,回到提交订单页
                String msg = "下单失败:";
                switch (responseVo.getCode()){
                    // 令牌失败
                    case 1:{
                        msg += "订单信息过期,请刷新后再次提交";
                        break;
                    }
                    // 验价失败
                    case 2:{
                        msg += "订单商品价格发生变化,请确认后再次提交";
                        break;
                    }
                    // 锁库存失败
                    case 3:{
                        msg+="库存锁定失败,商品库存不足";
                        break;
                    }
                }
                System.out.println("msg="+msg);
                // message.put("msg",msg);
                redirectAttributes.addFlashAttribute("msg",msg);
                // 下单失败,回到提交订单页
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (Exception e){
            if(e instanceof NoStockException){
                String msg = ((NoStockException) e).getMessage();
                log.info("message:" + msg);
                // TODO session里面并没有msg
                // message.put("msg",msg);
                redirectAttributes.addFlashAttribute("msg",msg);
            }
            e.printStackTrace();
        }
        return "redirect:http://order.gulimall.com/toTrade";
    }

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        return "confirm";
    }

    @GetMapping("/{page}.html")
    public String listPage(@PathVariable("page") String page){
        return page;
    }

}
